<template>
  <a-modal title="新增文件分组" :width="720" :visible="visible" :confirmLoading="confirmLoading" :maskClosable="false" @ok="handleSubmit" @cancel="handleCancel">
    <a-spin :spinning="confirmLoading">
      <a-form :form="form">
        <a-form-item label="分组名称" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <a-input v-decorator="['groupName', {rules: [{required: true, min: 2, message: '请输入至少2个字符'}]}]" />
        </a-form-item>
        <!-- <a-form-item label="上级分组" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <a-tree-select
            :treeData="groupListTree"
            :dropdownStyle="{ maxHeight: '400px', overflow: 'auto' }"
            allowClear
            v-decorator="['parent_id', {initialValue: 0}]"
          ></a-tree-select>
        </a-form-item> -->
        <a-form-item label="排序" :labelCol="labelCol" :wrapperCol="wrapperCol" extra="数字越小越靠前">
          <a-input-number :min="0" v-decorator="['sortNo', {initialValue: 100, rules: [{required: true, message: '请输入至少1个数字'}]}]" />
        </a-form-item>
      </a-form>
    </a-spin>
  </a-modal>
</template>

<script>
import * as api from '@/api/sys/filegroup'

export default {
  props: {
    // 分组列表
    groupList: {
      type: Array,
      required: true
    }
  },
  data() {
    return {
      // 对话框标题
      title: '',
      // 标签布局属性
      labelCol: {
        span: 7
      },
      // 输入框布局属性
      wrapperCol: {
        span: 13
      },
      // modal(对话框)是否可见
      visible: false,
      // modal(对话框)确定按钮 loading
      confirmLoading: false,
      // 当前表单元素
      form: this.$form.createForm(this),

      // 上级分组列表
      groupListTree: []
    }
  },
  methods: {

    /**
     * 显示对话框
     */
    add() {
      // 显示窗口
      this.visible = true
      console.log(this.groupList)
      // 获取分组列表
      this.getGroupList()
    },

    /**
     * 获取分组列表
     */
    getGroupList() {
      const { groupList } = this
      // 格式化分组列表
      this.groupListTree = [{
        title: '顶级分组',
        key: 0,
        value: 0
      }].concat(this.formatTreeData(groupList))
    },

    /**
     * 格式化分组列表
     */
    formatTreeData(list, disabled = false) {
      const data = []
      list.forEach(item => {
        // 新的元素
        const netItem = {
          title: item.name,
          key: item.group_id,
          value: item.group_id
        }
        // 递归整理子集
        if (item.children && item.children.length) {
          netItem['children'] = this.formatTreeData(item['children'], netItem.disabled)
        }
        data.push(netItem)
      })
      return data
    },

    /**
     * 确认按钮
     */
    handleSubmit(e) {
      e.preventDefault()
      // 表单验证
      const { form: { validateFields } } = this
      validateFields((errors, values) => {
        // 提交到后端api
        if (!errors) {
          this.onFormSubmit(values)
        }
      })
    },

    /**
     * 关闭对话框事件
     */
    handleCancel() {
      this.visible = false
      this.form.resetFields()
    },

    /**
    * 提交到后端api
    */
    onFormSubmit(values) {

      this.confirmLoading = true

      var data = { groupName: values.groupName, sortNo: values.sortNo }
      console.log(data);
      api.addOrUpdate(data)
        .then((res) => {
          // 显示成功
          this.$message.success(res.message, 1.5)
          // 关闭对话框事件
          this.handleCancel()
          // 通知父端组件提交完成了
          this.$emit('handleSubmit', values)
        })
        .finally((result) => {
          this.confirmLoading = false
        })
    }

  }
}
</script>
